Grill for speaker



FIG. 1 is a front perspective view of a grill for speaker showing our new design;

FIG. 2 is front elevational view thereof;

FIG. 3 is a right side elevational view thereof.

FIG. 4 is a left side elevational view thereof.

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a grill for speaker, as shown and described. 